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Mammoth Sunflower (Helianthus annus)- This sunflower is the giant of all sunflowers, reaching 12’ tall sometimes! Thick stalks support the huge heads that tower above the garden. This single-stem variety is a very fast and vigorous grower. A great variety for edible seeds or feeding the birds. Approx. 20 seeds per 2 grams.Days to maturity: 110 days
Seattle Seed Company Sunflower - Mammoth Russian
$3.49
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